Datasheet

3Atmel LED Driver-MSL2100

Atmel LED Driver-MSL2100

8-string, High-power, White or RGB LED Drivers for TVs,

Monitors, or Intelligent Solid-state Lighting

Key Features

Application Circuit

• 8-bit PWM String Dimming

• Fast, 1MHz I

C/SMBus Interface Supports up to

16 Devices per Bus

• 4-Bit Adaptive Power Correction Maximizes

Efficiency of up to Three Power Supplies

• External MOSFETs allow >0.5A LED String Current

• Drives up to Eight Parallel High Power LED Strings

• Multiple MSL2100s Share String Supplies and

Automatically Negotiate Optimum Voltages

• Supports Adaptive, Real-time 2-D Area Dimming

for Highest Dynamic Range LCD TVs and Monitors

• Programmable String Phase Virtually Eliminates

Motion Blur and Improves Efficiency

• Global LED Intensity Control via Serial Interface

• Supports Direct PWM Control of all LED Strings

with a Single PWM Input Signal

• ±1% Current Accuracy and Current Balance

• Video Frame (VSYNC) and Line (HSYNC)

Sync Inputs

• Sync Loss Detectors Optionally Disable LED Strings

• Internal EEPROM Allows Custom Power-up

Default Settings

• String Open Circuit and LED Short Circuit

Fault Detection

• <1µA LED String off Leakage Current

• External Resistors Set Individual String Peak Current

• Programmable LED Over-temperature Compensation

• Automatic Die Over-temperature Protection

• I

C/SMBus Broadcast Mode Simplifies Configuration

• -40°C To +85°C Operating Temperature Range

• Lead-free, Halogen-free, RoHs-compliant Package